<?php

class DeviceController extends Controller {

	/**
	 * @var string the default layout for the views.
	 *   Defaults to '//layouts/column2', meaning using two-column layout.
	 *   See 'protected/views/layouts/column2.php'.
	 */
	public $layout = '//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters() {
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules() {
		return array(
			array(
				'allow',
				'actions'=>array('index', 'view'),
				'users'=>array('*'),
			),
			array(
				'allow',
				'actions'=>array('create', 'update'),
				'users'=>array('@'),
			),
			array(
				'allow',
				'actions'=>array('admin', 'delete'),
				'users'=>array('admin'),
			),
			array(
				'deny',
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id) {
		$data = array(
			'model'=>$this->loadModel($id),
		);
		$this->render('view', $data);
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view'
	 * page.
	 */
	public function actionCreate() {
		$model = new Device;

		// $this->performAjaxValidation($model);

		if (isset($_POST['Device'])) {
			$model->attributes = $_POST['Device'];
			if ($model->save()) {
				$this->redirect(array('view', 'id'=>$model->id));
			}
		}

		$data = array(
			'model'=>$model,
		);
		$this->render('create', $data);
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view'
	 * page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id) {
		$model = $this->loadModel($id);

		// $this->performAjaxValidation($model);

		if (isset($_POST['Device'])) {
			$model->attributes = $_POST['Device'];
			if ($model->save()) {
				$this->redirect(array('view', 'id'=>$model->id));
			}
		}

		$data = array(
			'model'=>$model,
		);
		$this->render('update', $data);
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin'
	 *   page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id) {
		if (Yii::app()->request->isPostRequest) {
			$this->loadModel($id)->delete();

			if (!isset($_GET['ajax'])) {
				$isset = isset($_POST['returnUrl']);
				$this->redirect($isset ? $_POST['returnUrl'] : array('admin'));
			}
		} else {
			$message = 'Invalid request. ';
			$message .= 'Please do not repeat this request again.';
			throw new CHttpException(400, $message);
		}
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex() {
		$dataProvider = new CActiveDataProvider('Device');
		$data = array(
			'dataProvider'=>$dataProvider,
		);
		$this->render('index', $data);
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin() {
		$model = new Device('search');
		$model->unsetAttributes();
		if (isset($_GET['Device'])) {
			$model->attributes = $_GET['Device'];
		}

		$data = array(
			'model'=>$model,
		);
		$this->render('admin', $data);
	}

	/**
	 * Returns the data model based on the primary key given in the GET
	 * variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id) {
		$model = Device::model()->findByPk($id);
		if ($model === null) {
			$message = 'The requested page does not exist.';
			throw new CHttpException(404, $message);
		}
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model) {
		if (isset($_POST['ajax']) && $_POST['ajax'] === 'device-form') {
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
}
